LED light bulbs are energy efficient, eco-friendly, and long lasting. LED light bulbs are about 75% more efficient than incandescent light bulbs, which means they will save you money on your electric bill. LyfeLite is also eco friendly and do not contain lead, or mercury. LyfeLite bulbs have a plastic shell, which prevent them from being damaged as easily as an incandescent bulb. They have been tested to last longer than incandescent light bulbs, which means you won't have to replace them as often.